Space,
Unfortunately, this is not one of the supported cascading configurations, outlined in
this Tutorial. Theoretiaclly, this is possible in Traditional NI-DAQ (Legacy), but it is not something that NI supports or provides examples for. In general, in NI-DAQmx, the first stage module of a cascaded configuration must not be software programmable. As the 1531
is software programmable, it cannot be used as a fist stage module.
Unless you are reaching the maximum sampling rate of the chassis, I would oversample your signal (at least 4kHz per channel), then perform software filtering and decimation to reduce your sampling rate as if you had merely sampled at a lower frequency.
Hope this helps,
Message Edited by Voltage Viper [DE] on 05-31-2006 08:04 PM
Ryan Verret
Product Marketing Engineer
Signal Generators
National Instruments